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CVE-2021-1789
Published: Apr 2, 2021
Modified: Oct 21, 2025
PUBLISHED
Description
A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution.
| Vendor | Product | Versions |
|---|---|---|
Apple | iOS and iPadOS | affected unspecified - < 14.4 |
Apple | macOS | affected unspecified - < 11.2 |
Apple | macOS | affected unspecified - < 7.3 |
Apple | macOS | affected unspecified - < 14.4 |
Apple | macOS | affected unspecified - < 14.0 |
References
https://support.apple.com/en-us/HT212147
x_refsource_MISC
https://support.apple.com/en-us/HT212146
x_refsource_MISC
https://support.apple.com/en-us/HT212148
x_refsource_MISC
https://support.apple.com/en-us/HT212149
x_refsource_MISC
https://support.apple.com/en-us/HT212152
x_refsource_MISC
FEDORA-2021-864dc37032
vendor-advisory
x_refsource_FEDORA
FEDORA-2021-619711d709
vendor-advisory
x_refsource_FEDORA
GLSA-202104-03
vendor-advisory
x_refsource_GENTOO
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